]> Joshua Wise's Git repositories - netwatch.git/blob - aseg-paging/firstrun.c
Tweak MSS up.
[netwatch.git] / aseg-paging / firstrun.c
1 #include <io.h>
2 #include <smi.h>
3 #include <pci.h>
4 #include <reg-82801b.h>
5 #include <output.h>
6 #include "vga-overlay.h"
7 #include <smram.h>
8 #include "../net/net.h"
9
10 extern int _bss, _bssend;
11
12 extern void timer_handler(smi_event_t ev);
13 extern void kbc_handler(smi_event_t ev);
14 extern void gbl_rls_handler(smi_event_t ev);
15
16 void smi_init() {
17         smram_state_t smram;
18         
19         smram = smram_save_state();
20         smram_tseg_set_state(SMRAM_TSEG_OPEN);
21
22         outputf("NetWatch running");
23
24         /* Try really hard to shut up USB_LEGKEY. */
25         pci_write16(0, 31, 2, 0xC0, pci_read16(0, 31, 2, 0xC0));
26         pci_write16(0, 31, 2, 0xC0, 0);
27         pci_write16(0, 31, 4, 0xC0, pci_read16(0, 31, 4, 0xC0));
28         pci_write16(0, 31, 4, 0xC0, 0);
29
30         /* Turn on the SMIs we want */
31         smi_disable();
32         
33         eth_init();
34
35         smi_register_handler(SMI_EVENT_FAST_TIMER, timer_handler);
36         smi_enable_event(SMI_EVENT_FAST_TIMER);
37
38         smi_register_handler(SMI_EVENT_DEVTRAP_KBC, kbc_handler);
39         smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
40         
41         smi_register_handler(SMI_EVENT_GBL_RLS, gbl_rls_handler);
42         smi_enable_event(SMI_EVENT_GBL_RLS);
43
44         smi_enable();
45         
46         vga_flush_imm(1);
47         
48         smram_restore_state(smram);
49 }
50
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